The MCF51AC256 series microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core. Operate at processor core speeds up to 50.33 MHz (peripherals operate at half of this speed
MCF51AC256 ColdFire<sup>®</sup> ® Integrated Microcontroller - Reference Manual
The MCF51AC256 series microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core. Operate at processor core speeds up to 50.33 MHz (peripherals operate at half of this speed